Home / 14,161.56-21,243.06-5,394.84

Finding the Fourth Proportional to 14,161.56, 21,243.06 and 5,394.84

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Solution

The fourth proportional to 14,161.56, 21,243.06 and 5,394.84 is: 8,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.56 : 21,243.06 = 5,394.84 : x
  2. Step 2: Convert to fraction form
    14,161.56/21,243.06 = 5,394.84/x
  3. Step 3: Cross multiply
    14,161.56x = 21,243.06 × 5,394.84
  4. Step 4: Simplify right side
    14,161.56x = 114,602,909.81
  5. Step 5: Solve for x
    x = 114,602,909.81/14,161.56
  6. Step 6: Final answer
    x = 8,092.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.